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2026-08-22 - 12:32
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sat Aug 22, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32387212666,6sleep30-21swapper/319:07:493
324462117108,6sleep20-21swapper/219:08:372
324622110100,7sleep10-21swapper/119:08:481
32312210999,7sleep00-21swapper/019:06:500
51132640,0sleep30-21swapper/319:10:213
256102610,0sleep30-21swapper/300:15:453
45082600,0sleep10-21swapper/123:11:021
311762600,1sleep30-21swapper/321:31:303
167162590,0sleep20-21swapper/200:26:102
150232560,0sleep10-21swapper/123:58:281
178142540,1sleep30-21swapper/321:25:263
2117024945,3sleep30-21swapper/319:54:123
2624724742,3sleep30-21swapper/321:57:383
783523633,2sleep30-21swapper/320:39:133
1142623229,2sleep30-21swapper/320:11:343
3186923125,3sleep30-21swapper/323:24:073
3272599280,27cyclictest0-21swapper/123:04:521
3272599280,27cyclictest0-21swapper/120:50:381
3272599280,27cyclictest0-21swapper/120:26:411
2376222822,3sleep30-21swapper/322:39:053
1329422822,5sleep30-21swapper/320:41:363
44792270,0sleep30-21swapper/322:45:003
3273099270,26cyclictest0-21swapper/220:50:562
3273099270,26cyclictest0-21swapper/220:24:332
3272599270,26cyclictest0-21swapper/123:41:171
3272599270,26cyclictest0-21swapper/123:23:461
3272599270,26cyclictest0-21swapper/121:45:481
3272599270,26cyclictest0-21swapper/121:37:571
3272599270,26cyclictest0-21swapper/120:40:451
3272599270,26cyclictest0-21swapper/120:35:561
3272599270,26cyclictest0-21swapper/119:57:261
3272599270,26cyclictest0-21swapper/119:53:141
3272599270,26cyclictest0-21swapper/119:48:061
3272599270,26cyclictest0-21swapper/119:33:321
3272599270,26cyclictest0-21swapper/119:19:581
3272599270,26cyclictest0-21swapper/100:24:291
32717992718,8cyclictest0-21swapper/020:40:300
2683022723,3sleep30-21swapper/319:59:313
3273099268,17cyclictest0-21swapper/223:30:122
3273099260,25cyclictest0-21swapper/222:17:252
32725992623,2cyclictest4155-21ssh22:57:401
32725992613,13cyclictest0-21swapper/122:14:191
3272599260,25cyclictest0-21swapper/122:40:421
3272599260,25cyclictest0-21swapper/121:33:541
3272599260,25cyclictest0-21swapper/119:12:101
3272599260,25cyclictest0-21swapper/100:05:351
3271799260,25cyclictest0-21swapper/023:16:220
3271799260,25cyclictest0-21swapper/023:16:220
3244222623,2sleep30-21swapper/320:03:493
3099522620,3sleep30-21swapper/319:33:403
1550822621,2sleep30-21swapper/319:48:423
452222519,3sleep30-21swapper/323:54:203
3273099250,24cyclictest0-21swapper/200:05:122
32725992516,8cyclictest0-21swapper/123:33:181
3272599250,24cyclictest0-21swapper/121:55:511
3272599250,24cyclictest0-21swapper/121:25:461
3272599250,24cyclictest0-21swapper/120:57:211
3272599250,24cyclictest0-21swapper/120:48:541
3271799250,24cyclictest0-21swapper/022:11:250
3271799250,24cyclictest0-21swapper/000:06:090
204622521,3sleep30-21swapper/320:32:513
925822418,3sleep30-21swapper/300:37:413
68432240,2sleep00-21swapper/000:35:460
3273099242,21cyclictest0-21swapper/221:19:122
3272599240,23cyclictest0-21swapper/123:48:241
3272599240,23cyclictest0-21swapper/121:50:331
3272599240,23cyclictest0-21swapper/121:11:411
3272599240,23cyclictest0-21swapper/100:33:461
32717992416,7cyclictest0-21swapper/021:36:330
32717992415,8cyclictest0-21swapper/023:48:290
32717992415,8cyclictest0-21swapper/022:17:260
32717992415,8cyclictest0-21swapper/021:41:510
32717992415,8cyclictest0-21swapper/000:22:580
3271799240,23cyclictest0-21swapper/023:54:190
3271799240,23cyclictest0-21swapper/021:22:510
3271799240,23cyclictest0-21swapper/000:34:380
3271799240,18cyclictest0-21swapper/021:10:220
32730992317,6cyclictest0-21swapper/223:10:102
3273099231,21cyclictest0-21swapper/223:51:362
3273099231,21cyclictest0-21swapper/220:34:542
3273099231,20cyclictest0-21swapper/220:15:172
3273099230,22cyclictest0-21swapper/222:27:272
3273099230,22cyclictest0-21swapper/222:24:052
3273099230,22cyclictest0-21swapper/222:14:542
3273099230,22cyclictest0-21swapper/221:25:132
3273099230,21cyclictest0-21swapper/223:56:222
32725992316,6cyclictest0-21swapper/123:28:341
32725992314,8cyclictest0-21swapper/122:17:461
3272599230,22cyclictest0-21swapper/123:50:461
3272599230,22cyclictest0-21swapper/123:07:011
3272599230,22cyclictest0-21swapper/122:51:571
3272599230,22cyclictest0-21swapper/122:01:451
3272599230,22cyclictest0-21swapper/121:43:331
3272599230,22cyclictest0-21swapper/121:20:231
3272599230,22cyclictest0-21swapper/121:15:161
3272599230,22cyclictest0-21swapper/100:36:451
3272599230,22cyclictest0-21swapper/100:17:061
3272599230,22cyclictest0-21swapper/100:01:261
3272599230,18cyclictest0-21swapper/122:05:541
3272599230,17cyclictest0-21swapper/123:35:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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